// while循环和do while循环挑战

let totalSum = 0;
let counter = 1;

while (counter <= 100) {
  if (counter != 55) {
    totalSum += counter;
  }
  counter++;
}

console.log((totalSum / counter).toFixed(2));

let ct = 10;
while (ct >= 1) {
  console.log(ct--);
}
